| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| INNOVATIONSST LIMITED | 08219623 | 18/09/2012 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| COMPOUND SEMICONDUCTOR CENTRE LIMITED | 09210371 | 20/07/2016 | 22/09/2023 | Bronze |
| DARESBURY SCIENCE & INNOVATION CAMPUS LIMITED | 05938403 | 18/09/2006 | 18/07/2012 | Dissolved |
| DIDCOT FIRST LIMITED | 06258088 | 28/01/2008 | 26/04/2010 | Silver |
| HALTON CHAMBER OF COMMERCE AND ENTERPRISE | 03115981 | 31/03/2005 | 31/12/2006 | Silver |
| MALVERN ST JAMES LIMITED | 00232081 | 01/12/2000 | 30/08/2006 | Amber |
| MICROVISK LIMITED | 05035044 | 09/06/2004 | 19/08/2005 | Amber |
| RESEARCH AND DEVELOPMENT SOCIETY,(THE) | 01014555 | 15/07/2008 | 17/08/2017 | Silver |
| SPECTRUM (LIMITED PARTNER) LTD | 04409886 | 31/07/2007 | 19/10/2010 | Not Trading |
| STFC INNOVATIONS LIMITED | 04361684 | 16/07/2004 | 07/06/2011 | Bronze |
| SUEL LIMITED | 01816862 | 23/06/1999 | 04/03/2003 | Silver |
| THE SCIENCE ENGINEERING TECHNOLOGY MATHEMATICS NETWORK | 03236201 | 24/01/2008 | 30/09/2014 | Dissolved |
| TIMEC 1382 LIMITED | 08698036 | 19/09/2013 | 11/04/2014 | Dissolved |
| White Rose Research Ltd | 03477307 | 01/09/1999 | 19/03/2003 | Dissolved |